Bavistin, Carbendazim 50%, Fungicide BAVISTIN Bavistin contains Carbendazim 50% WP . Bavistin is a broad spectrum systemic fungicide effective against a wide range of pathogenic fungi. It is highly specific in its control of important plant pathogens on a variety of crops, ornamental plants and plantation crops. Bavistin is absorbed by the plant and acts on fungal pathogen.